S ART. 1. — CHARLES ELIOT: 



The central nervous system is as figured by Bergh and the 

 three ganglia are unusually distinct. The penis is armed with 

 very small transparent colourless spines. 



This form agrees with Bergh' s E. eolida in many respects 

 but diners in the following points : 1 ) A circular labial armature 

 is present. 2) The shape of the papillae is somewhat different. 

 3) The radula is rather smaller and the teeth have fewer denticles, 

 although the specimen is rather larger. 



Provisionally this animal must, I think, be given specific 

 rank, but it is not impossible that Bergh overlooked the presence 

 of the labial armature and that this specimen and his E. eolida 

 really belong to the same species. 



Discodoris concinna A. and H. 



Alder and Hancock, Notice of a Coll. of Nudib. Moll, mide in India, Trans. Zool. Soc. 18S4, 



p. 118. 

 = Disc, concinniformis Bergh, Malac. Ont. xvi, p. 807. 



Three specimens from Kominato, Awa. The largest speci- 

 men is 41 mm. long, 26 mm. broad and 11 mm. high, flattish 

 and not much arched. The texture is rather soft and the back 

 is covered with minute tubercles or papillae of various sizes though 

 the largest do not exceed half a millimetre in length. The 

 colour is greyish white bearing darker mottlings of various 

 shades, greenish, bluish and blackish. All these markings have 

 a curiously indistinct appearance as if they were under the skin. 

 The papillae are always whitish even in places where the ground 

 colour is dark. On the under surface, especially on the sole of 

 the foot, these are brown and grey spots. 



The foot is broad (7 mm.) and is grooved in front, the upper 

 lamina being notched. The oral tentacles are digitate. The 

 branchial plumes are six, tripinnate and connected at the bases. 

 The branchial pocket is slightly raised and undulated or scalloped 

 but not stellate. The plumes are white at the base, grey in the 

 middle part and yellowish at the tips. 



The blood gland is olive grey, large, thick and double, the 

 portion in front of the central nervous system being the larger. 



